Solar powered automatic dual smoke extractor –
Velammal College of Engineering & Technology
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Application No. :
202241024151
Filed :
25-04-2022
Published :
30-11--0001
Filed
Automatic water sprinkling system for plants with soil moisture sensing camera
Velammal College of Engineering & Technology
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Patent No. :
337196 – 001
Filed :
05-01-2021
Published :
05-02-2021
Published
Automatic solar fertilizer sprinkler
Velammal College of Engineering & Technology
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Patent No. :
337059 – 001
Filed :
31-12-2020
Published :
22-01-2021
Published